This article is from the Vegetarianism FAQ, by firstname.lastname@example.org (Michael Traub) with numerous contributions by others.
Textured Vegetable Protein (or TVP) is a meat-like substance that
is used to boost the nutritional content of meals, while still
remaining relatively attractive-tasting. TVP may have a rather
high fat content, so check the label. If it contains "defatted"
soya flour, it should be low fat.